<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>class选择器</title>
    <link rel="stylesheet"  type="text/css" href="css/class.css">
</head>
<body>
    <div>LSP</div>
    <div>lsp</div>
    <div>yyds</div>
    <div class="myclass">绝绝子</div>
    <div class="myclass">md绝了</div>
</body>
</html>